Package org.adempiere.base.event

Class EventManager

java.lang.Object

org.adempiere.base.event.EventManager

All Implemented Interfaces:

IEventManager

public class EventManager
extends Object
implements IEventManager

Simple wrapper for the osgi event admin service.
Usage: EventManager.getInstance().sendEvent/postEvent

Author:

hengsin

Field Summary

Fields inherited from interface org.adempiere.base.event.IEventManager

CLASS_NAME_PROPERTY, EVENT_CONTEXT, EVENT_DATA, EVENT_ERROR_MESSAGES, IMPORT_TABLE_NAME_PROPERTY, PROCESS_CLASS_NAME_PROPERTY, PROCESS_UID_PROPERTY, TABLE_NAME_PROPERTY

Constructor Summary

Constructors

Constructor	Description
EventManager()

Method Summary

Modifier and Type	Method	Description
void	bindEventAdmin(org.osgi.service.event.EventAdmin eventAdmin)
static IEventManager	getInstance()	Get the singleton instance created by the osgi service framework
static org.osgi.service.event.Event	newEvent(String topic, Object data)
static org.osgi.service.event.Event	newEvent(String topic, Object data, boolean copySessionContext)	Create new event instance.
static org.osgi.service.event.Event	newEvent(String topic, EventProperty... properties)
boolean	postEvent(org.osgi.service.event.Event event)	Initiate asynchronous delivery of an event.
boolean	register(String[] topics, String filter, org.osgi.service.event.EventHandler eventHandler)	register a new event handler
boolean	register(String[] topics, org.osgi.service.event.EventHandler eventHandler)	register a new event handler
boolean	register(String topic, String filter, org.osgi.service.event.EventHandler eventHandler)	register a new event handler
boolean	register(String topic, org.osgi.service.event.EventHandler eventHandler)	register a new event handler
boolean	sendEvent(org.osgi.service.event.Event event)	Initiate synchronous delivery of an event.
void	unbindEventAdmin(org.osgi.service.event.EventAdmin eventAdmin)
boolean	unregister(org.osgi.service.event.EventHandler eventHandler)	un-register an event handler

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.adempiere.base.event.IEventManager

register

Constructor Details

EventManager

public EventManager()

Method Details

bindEventAdmin

public void bindEventAdmin(org.osgi.service.event.EventAdmin eventAdmin)

Parameters:

eventAdmin -

unbindEventAdmin

public void unbindEventAdmin(org.osgi.service.event.EventAdmin eventAdmin)

Parameters:

eventAdmin -

getInstance

public static IEventManager getInstance()

Get the singleton instance created by the osgi service framework

Returns:

EventManager

postEvent

public boolean postEvent(org.osgi.service.event.Event event)

Description copied from interface: IEventManager

Initiate asynchronous delivery of an event. This method returns to the caller before delivery of the event is completed.

Specified by:

postEvent in interface IEventManager

Parameters:

event - The event to send to all listeners which subscribe to the topic of the event.

sendEvent

public boolean sendEvent(org.osgi.service.event.Event event)

Description copied from interface: IEventManager

Initiate synchronous delivery of an event. This method does not return to the caller until delivery of the event is completed.

Specified by:

sendEvent in interface IEventManager

Parameters:

event - The event to send to all listeners which subscribe to the topic of the event.

register

public boolean register(String topic,
 org.osgi.service.event.EventHandler eventHandler)

Description copied from interface: IEventManager

register a new event handler

Specified by:

register in interface IEventManager

Returns:

true if registration is successful, false otherwise

register

public boolean register(String[] topics,
 org.osgi.service.event.EventHandler eventHandler)

Description copied from interface: IEventManager

register a new event handler

Specified by:

register in interface IEventManager

Returns:

true if registration is successful, false otherwise

register

public boolean register(String topic,
 String filter,
 org.osgi.service.event.EventHandler eventHandler)

Description copied from interface: IEventManager

register a new event handler

Specified by:

register in interface IEventManager

Returns:

true if registration is successful, false otherwise

register

public boolean register(String[] topics,
 String filter,
 org.osgi.service.event.EventHandler eventHandler)

Description copied from interface: IEventManager

register a new event handler

Specified by:

register in interface IEventManager

Returns:

true if registration is successful, false otherwise

unregister

public boolean unregister(org.osgi.service.event.EventHandler eventHandler)

Description copied from interface: IEventManager

un-register an event handler

Specified by:

unregister in interface IEventManager

Returns:

true if unregistration is done, false otherwise

newEvent

public static org.osgi.service.event.Event newEvent(String topic,
 Object data)

Parameters:

topic -

data -

Returns:

new Event instance

newEvent

public static org.osgi.service.event.Event newEvent(String topic,
 Object data,
 boolean copySessionContext)

Create new event instance. If copySessionContext is true, a copy of current session context is added as EVENT_CONTEXT property to event data.

Parameters:

topic -

data -

copySessionContext - true to copy current session context (usually for postEvent).

Returns:

new Event instance

newEvent

public static org.osgi.service.event.Event newEvent(String topic,
 EventProperty... properties)

Parameters:

topic -

properties -

Returns:

event object